package com.wb.code09集合;

import java.util.HashSet;
import java.util.Objects;
import java.util.Set;

/**
 * @author 黄衡熙
 * @version 1.0
 */
public class Test13_判断是否重复 {
    public static void main(String[] args) {
        Set<Student> students = new HashSet<>();
        Student s3 = new Student("tom", 21);
        Student s4 = new Student("tom", 21);
       students.add(s3);
       students.add(s4);
        System.out.println(students);
    }
}

class Student {
    private String name;
    private int age;

    public Student() {
    }

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public boolean equals(Object o) {
        if (o == null || getClass() != o.getClass()) return false;
        Student student = (Student) o;
        return age == student.age && Objects.equals(name, student.name);
    }

    @Override
    public int hashCode() {
        return Objects.hash(name, age);
    }
}